/* ===========================
   Skyborne Fighters — Styles
   =========================== */
:root {
  --bg: #0a0a1a;
  --bg2: #12122a;
  --panel: #1a1a3a;
  --panel2: #22224a;
  --border: #2a2a5a;
  --text: #e0e0ff;
  --text2: #8888bb;
  --accent: #4da6ff;
  --accent2: #ff6b4a;
  --success: #4ade80;
  --danger: #ff5555;
  --glow: rgba(77, 166, 255, 0.3);
  --font: 'Segoe UI', 'Noto Sans CJK JP', 'Helvetica Neue', Arial, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* Screen base */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.4s ease;
}

.screen.hidden, .hidden { display: none !important; }

/* Loading screen */
#loading-screen {
  background: linear-gradient(135deg, #0a0a1a 0%, #12122a 50%, #0a0a1a 100%);
}

.loading-content {
  text-align: center;
  padding: 24px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-content h2 {
  font-size: 24px;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.loading-subtitle {
  color: var(--text2);
  font-size: 14px;
}

.loading-progress {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text2);
}

.loading-progress span { color: var(--accent); font-weight: bold; }

/* Game container */
#game-container {
  position: relative;
  background: #000;
}

/* Canvas */
#game-container canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* HUD */
#hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}

.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.hud-chip {
  background: rgba(26, 26, 58, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  min-width: 60px;
  pointer-events: auto;
}

.hud-chip .hud-label {
  font-size: 9px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hud-chip .hud-value {
  font-size: 16px;
  font-weight: bold;
  color: var(--text);
}

.hud-center {
  position: absolute;
  top: 40%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

#radar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(26, 26, 58, 0.9);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

#velocity-trail {
  width: 4px;
  height: 80px;
  border-radius: 2px;
  background: var(--accent);
  margin-top: 10px;
  position: relative;
}

.hud-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.hud-chips-right {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Crosshair */
.crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 10;
  color: rgba(255, 255, 255, 0.7);
}

.crosshair::before, .crosshair::after {
  content: '';
  position: absolute;
  background: currentColor;
}

.crosshair::before {
  width: 2px;
  height: 40px;
  top: -20px;
  left: -1px;
}

.crosshair::after {
  width: 40px;
  height: 2px;
  left: -20px;
  top: -1px;
}

.crosshair-center {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  position: relative;
}

.crosshair-center::before, .crosshair-center::after {
  content: '';
  position: absolute;
  background: currentColor;
}

.crosshair-center::before {
  width: 10px;
  height: 2px;
  top: -5px;
  left: -5px;
}

.crosshair-center::after {
  width: 2px;
  height: 10px;
  top: -5px;
  left: -5px;
}

/* Status overlay */
#status-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.status-card {
  background: var(--bg2);
  border: 2px solid var(--danger);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.status-card h3 {
  color: var(--danger);
  font-size: 28px;
  margin-bottom: 12px;
}

.status-card p {
  color: var(--text2);
  margin-bottom: 20px;
}

.status-card button {
  margin: 6px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: bold;
}

.btn-primary:hover { filter: brightness(1.1); }

.btn-secondary {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--panel); }

/* Main menu */
.menu-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px;
  max-width: 600px;
}

.menu-logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo-symbol {
  font-size: 48px;
  margin-bottom: 12px;
}

.menu-logo h1 {
  font-size: 36px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.menu-logo p {
  color: var(--text2);
  font-size: 14px;
}

.menu-ships {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
  width: 100%;
  max-width: 500px;
}

.ship-option {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.ship-option:hover {
  border-color: var(--accent);
  background: var(--panel2);
}

.ship-option.selected {
  border-color: var(--accent);
  background: rgba(77, 166, 255, 0.15);
}

.ship-option .ship-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.ship-option .ship-name {
  font-weight: bold;
  font-size: 14px;
}

.ship-option .ship-nation {
  font-size: 11px;
  color: var(--text2);
}

/* Menu actions */
.menu-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}

.menu-footer {
  color: var(--text2);
  font-size: 11px;
  text-align: center;
  line-height: 1.6;
}

/* Mods menu */
.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 500px;
  margin-bottom: 20px;
}

.menu-header h2 {
  font-size: 22px;
}

.menu-settings {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.setting-group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.setting-group label {
  display: block;
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 6px;
}

.setting-group select {
  width: 100%;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 14px;
}

/* Game over */
#game-over .menu-logo h1 {
  color: var(--danger);
}

/* Minimap */
#minimap {
  position: absolute;
  bottom: 80px;
  right: 16px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: rgba(10, 10, 26, 0.8);
  overflow: hidden;
  pointer-events: none;
}

#minimap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Messages */
#messages {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.message {
  background: rgba(26, 26, 58, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 14px;
  animation: slideUp 0.3s ease;
  max-width: 90%;
}

.message.warn { border-color: var(--accent); }
.message.danger { border-color: var(--danger); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Info overlay */
#info-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 200;
}

.info-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: left;
  max-width: 400px;
}

.info-card h3 {
  margin-bottom: 12px;
  color: var(--accent);
}

.info-card p {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.6;
  margin-bottom: 4px;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .hud-top {
    padding: 8px 10px;
    font-size: 12px;
  }
  .hud-chip {
    padding: 4px 8px;
    min-width: 44px;
  }
  .hud-chip .hud-value { font-size: 13px; }
  .hud-bottom {
    padding: 8px 10px;
  }
  .crosshair::before, .crosshair::after {
    width: 1px;
    height: 24px;
  }
  .crosshair::after {
    width: 24px;
    height: 1px;
  }
  .crosshair-center {
    width: 4px;
    height: 4px;
  }
  .menu-logo h1 { font-size: 26px; }
  .menu-logo p { font-size: 12px; }
  .ship-option .ship-icon { font-size: 24px; }
  .ship-option .ship-name { font-size: 12px; }
}

@media (max-width: 400px) {
  .hud-top { gap: 4px; }
  .hud-chip { min-width: 36px; padding: 3px 6px; }
  .hud-chip .hud-value { font-size: 11px; }
  .hud-chip .hud-label { font-size: 7px; }
}

/* Dark theme for cockpit UI on mobile */
@media (pointer: coarse) {
  .hud-chip { cursor: pointer; }
}

/* Scrollable content for settings */
.setting-group {
  overflow-x: hidden;
}